From d1203b71ed5f430e33179f0bdf536bdb3b49f702 Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 13 Nov 2025 00:37:29 +0800 Subject: [PATCH 01/10] Update wireless.md --- content/wireless.md | 185 +++++++++++++++++++++++++++++++++++++++----- 1 file changed, 164 insertions(+), 21 deletions(-) diff --git a/content/wireless.md b/content/wireless.md index 2052091fc9..25850461a5 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -1,7 +1,7 @@ --- -title: Wireless Troubleshooting +title: Wireless and Basic Troubleshooting description: > - If you’re having problems with your wireless Internet connection, take a look at the suggestions in this article. + If your computer can’t connect to wireless networks or the connection is unstable, use this guide to diagnose and resolve the issue. keywords: - wireless - wifi @@ -16,34 +16,164 @@ section: network-troubleshooting tableOfContents: true --- -WiFi issues are influenced by many different factors, including: +If your computer can’t connect to wireless networks or the connection is unstable, use this guide to diagnose and resolve the issue. +Start with the quick checks, then follow the targeted diagnostic and recovery steps. +Include logs when you ask for support. -- Hardware (WiFi card, access point) -- Settings at both ends of the connection -- The local environment +--- + +## Quick Checks (First Steps) + +Try these steps before diving into advanced troubleshooting: + +- Reboot the router/modem and the computer. +- Toggle Airplane Mode: **Fn + F11 → wait 10s → disable Airplane Mode.** +- If your Wi-Fi issues started after an update, try removing the backported Wi-Fi driver: + +```bash + sudo apt remove backport-iwlwifi-dkms +``` +Then restart your computer. +Temporarily use a phone hotspot to confirm whether the network or your computer is the issue. +Boot from a Live USB of your distribution to determine whether the issue exists outside your installed system. + +Router and Access Point Recommendations + +Many connection issues are caused by router settings. + +Make sure your access point is configured for stability and compatibility. -## Basic Troubleshooting +Use 2.4 GHz channels 1, 6, or 11 to minimize overlap. -If you’re having problems, try these steps first: +Set the channel width to 20 MHz for crowded networks. -- Try unplugging the wireless router or modem to reboot it. -- Try airplane mode by pressing Fn+F11, waiting 10s, then disabling. -- Try rebooting the computer. +For 5 GHz, use an explicit channel instead of “Auto” when troubleshooting. -Some router settings can cause problems. Try adjusting your access point to these settings: +Use mixed mode (b/g/n/ax) if devices vary by generation. -- WPA2-AES is preferred over WPA/WPA2 mixed mode or TKIP. -- A channel width of 20 MHz in the 2.4 GHz band is more stable than automatic 20/40 MHz or fixed 40 MHz. -- Set 2.4Ghz and 5Ghz SSID names differently. -- Pick a fixed channel. Use either 1, 6, or 11 in the 2.4 Ghz band, rather than automatic selection. -- Check if the router is set to N speeds only. Auto B/G/N is preferred. -- Lower the max/burst speeds, turn off channel bonding, and reduce channel width. Setting the speed to 600 Mb/s or 450 Mb/s will use spread frequencies to achieve those speeds and may decrease stability. Try setting it to 289/300 Mb/s (N speed) or or 54 Mb/s (G speed). -- After making these changes, reboot the router. +If a single device struggles, temporarily set your router to a common mode and test. -If the issues started after you applied updates, try running this command to make sure a bad WiFi driver has not been installed, then reboot your computer: +Avoid complex access point features such as: + -Band steering + -Aggressive airtime fairness + -Deep MAC filtering + -Ensure your device’s MAC address isn’t being filtered. + Check with: + +```bash +ip link show | grep ether +``` + +Then confirm that address is allowed in your router’s admin panel. + +You can also confirm what channel and frequency your connection is using: ```bash -sudo apt remove backport-iwlwifi-dkms +iw dev +iwlist wlan0 scan | grep -E 'SSID|Channel|Frequency' +``` + +## Device-Level Checks and Commands + +These commands help verify whether your wireless card and drivers are functioning correctly. + +ip a — List all network interfaces and IP addresses confirms your Wi-Fi interface (usually wlp2s0 or wlan0) is recognized. + +iw dev — Show wireless devices and their states. + +sudo rfkill list — Check for hardware or software Wi-Fi blocks. + +nmcli device status — Check NetworkManager device states. + +sudo systemctl restart NetworkManager — Restart the network stack (safe to run anytime). + +journalctl -b | grep -i network — View network-related boot logs. + +dmesg | grep -i -E 'wifi|wlan|firmware|ieee80211|rtl|brcm|ath' — View driver and firmware kernel logs. + +To collect diagnostic info automatically: + +```bash +sudo dmesg | grep -i wlan > ~/wireless-dmesg.txt +``` + +## Driver and Firmware Checks + +If the device is detected but unstable, verify the driver and firmware setup. + +Confirm the kernel has loaded the correct driver and firmware. + +Check for missing firmware messages: + +```bash +dmesg | grep -i firmware +``` + +Reinstall firmware packages: + +```bash +sudo apt update +sudo apt install --reinstall linux-firmware +``` + +Test with a different router or mobile hotspot. + +Try a Live USB session to determine if the issue is system-specific. + +## NetworkManager and Configuration Tips + +NetworkManager controls Wi-Fi connections on most Linux systems. + +Restart NetworkManager: + +```bash +sudo systemctl restart NetworkManager +``` + +-Delete and recreate saved connections: + +```bash +nmcli connection delete +nmcli device wifi connect +``` + +For unstable networks, set IPv6 to “Ignore” in the network settings: + 1.) Open Settings → Network. + 2.) Select your Wi-Fi connection. + 3.) Go to IPv6 tab → change method to Ignore. + + ## Bluetooth and Airplane Mode Interactions + + If Wi-Fi disappears when Bluetooth is active: + +```bash +sudo rfkill list +sudo systemctl restart bluetooth +``` + +You can also disable Bluetooth coexistence in the Intel Wi-Fi driver configuration file: + +```bash +sudo gedit /etc/modprobe.d/iwlwifi.conf +``` + +Add the following line: + +```bash +options iwlwifi bt_coex_active=0 +``` + +Save, then reboot. + +## Quick Reference Commands + +```bash +ip a +iw dev +sudo rfkill list +nmcli device status +sudo systemctl restart NetworkManager +sudo dmesg | grep -i wlan > ~/wireless-dmesg.txt ``` ## Advanced Troubleshooting @@ -207,3 +337,16 @@ Sometimes the newest version of the firmware will clear up occasional bugs. Ple ### Windows Dual Boot If you are dual booting Windows, you may lose access to your wifi card entirely after running driver/OS updates in Windows. You may be able to gain access to your wifi card again by disabling "Fast Startup" in the Windows power options before booting back into Pop!_OS. + +## When to Contact Support + +If you’ve tried all the steps above and your wireless connection still isn’t working as expected, please collect the output from the diagnostic commands and contact System76 Support. + +When reaching out, include: +-The model of your computer +-Your version of Pop!_OS or Ubuntu +-The commands and results listed above + +This information helps the support team quickly identify the cause and get you back online. + +This will save relevant wireless logs you can share with System76 Support. From d4e9a1fd4171c38362e05e9ead49a29ad952fb9e Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 13 Nov 2025 03:44:30 +0800 Subject: [PATCH 02/10] Update wireless.md --- content/wireless.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/content/wireless.md b/content/wireless.md index 25850461a5..2351e051c9 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -142,7 +142,7 @@ For unstable networks, set IPv6 to “Ignore” in the network settings: 2.) Select your Wi-Fi connection. 3.) Go to IPv6 tab → change method to Ignore. - ## Bluetooth and Airplane Mode Interactions +## Bluetooth and Airplane Mode Interactions If Wi-Fi disappears when Bluetooth is active: From 77e8a21fc600810a1bbccc16c8862c58080a9523 Mon Sep 17 00:00:00 2001 From: Christian Date: Tue, 25 Nov 2025 04:21:57 +0800 Subject: [PATCH 03/10] Update wireless.md All requested edits have been completed, and the document is now ready for review. Thank you for the helpful feedback I appreciate your time and guidance! --- content/wireless.md | 89 +++++++++++++++++++++++---------------------- 1 file changed, 46 insertions(+), 43 deletions(-) diff --git a/content/wireless.md b/content/wireless.md index 2351e051c9..f2cecb7d37 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -17,29 +17,23 @@ tableOfContents: true --- If your computer can’t connect to wireless networks or the connection is unstable, use this guide to diagnose and resolve the issue. -Start with the quick checks, then follow the targeted diagnostic and recovery steps. -Include logs when you ask for support. +Start with the quick checks, then follow the targeted diagnostic and recovery steps. --- -## Quick Checks (First Steps) - Try these steps before diving into advanced troubleshooting: - -- Reboot the router/modem and the computer. -- Toggle Airplane Mode: **Fn + F11 → wait 10s → disable Airplane Mode.** -- If your Wi-Fi issues started after an update, try removing the backported Wi-Fi driver: +1. Reboot the router/modem and the computer. +2. Toggle Airplane Mode by pressing **Fn + F11 →.** +3. If your Wi-Fi issues started after an update, try removing the backported Wi-Fi driver using the command line. Open the Terminal by pressing Super+t and type the following and press Enter: ```bash sudo apt remove backport-iwlwifi-dkms ``` Then restart your computer. -Temporarily use a phone hotspot to confirm whether the network or your computer is the issue. -Boot from a Live USB of your distribution to determine whether the issue exists outside your installed system. - -Router and Access Point Recommendations +4. Temporarily use a phone hotspot to confirm whether the network or your computer is the issue. +5. [Boot from a Live USB](https://support.system76.com/articles/live-disk) of your distribution to determine whether the issue exists outside your installed system. -Many connection issues are caused by router settings. +## Router and Access Point Recommendations Make sure your access point is configured for stability and compatibility. @@ -77,19 +71,48 @@ iwlist wlan0 scan | grep -E 'SSID|Channel|Frequency' These commands help verify whether your wireless card and drivers are functioning correctly. -ip a — List all network interfaces and IP addresses confirms your Wi-Fi interface (usually wlp2s0 or wlan0) is recognized. +```bash +ip a +``` + +List all network interfaces and IP addresses confirms your Wi-Fi interface (usually wlp2s0 or wlan0) is recognized. + +```bash +iw dev +``` + +Show wireless devices and their states. + +```bash +sudo rfkill list +``` + +Check for hardware or software Wi-Fi blocks. + +```bash +nmcli device status +``` + +Check NetworkManager device states. -iw dev — Show wireless devices and their states. -sudo rfkill list — Check for hardware or software Wi-Fi blocks. +```bash +sudo systemctl restart NetworkManager +``` -nmcli device status — Check NetworkManager device states. +Restart the network stack (safe to run anytime). + +```bash +journalctl -b | grep -i network +``` -sudo systemctl restart NetworkManager — Restart the network stack (safe to run anytime). +View network-related boot logs. -journalctl -b | grep -i network — View network-related boot logs. +```bash +dmesg | grep -i -E 'wifi|wlan|firmware|ieee80211|rtl|brcm|ath' +``` -dmesg | grep -i -E 'wifi|wlan|firmware|ieee80211|rtl|brcm|ath' — View driver and firmware kernel logs. +View driver and firmware kernel logs. To collect diagnostic info automatically: @@ -130,7 +153,7 @@ Restart NetworkManager: sudo systemctl restart NetworkManager ``` --Delete and recreate saved connections: +Delete and recreate saved connections: ```bash nmcli connection delete @@ -165,17 +188,6 @@ options iwlwifi bt_coex_active=0 Save, then reboot. -## Quick Reference Commands - -```bash -ip a -iw dev -sudo rfkill list -nmcli device status -sudo systemctl restart NetworkManager -sudo dmesg | grep -i wlan > ~/wireless-dmesg.txt -``` - ## Advanced Troubleshooting If the above steps aren't working, or you would like to fine tune and improve you connection, see the following steps. @@ -338,15 +350,6 @@ Sometimes the newest version of the firmware will clear up occasional bugs. Ple If you are dual booting Windows, you may lose access to your wifi card entirely after running driver/OS updates in Windows. You may be able to gain access to your wifi card again by disabling "Fast Startup" in the Windows power options before booting back into Pop!_OS. -## When to Contact Support - -If you’ve tried all the steps above and your wireless connection still isn’t working as expected, please collect the output from the diagnostic commands and contact System76 Support. - -When reaching out, include: --The model of your computer --Your version of Pop!_OS or Ubuntu --The commands and results listed above - -This information helps the support team quickly identify the cause and get you back online. +## Contact System76 Support -This will save relevant wireless logs you can share with System76 Support. +If you purchased a System76 computer and you’ve tried all the steps above, but your wireless connection still isn’t working as expected, please collect the output from the diagnostic commands and contact [System76 Support](https://system76.com/contact/support) From 0adf7e819d1c63b7dc0ebab396bcc6b2a53ef68e Mon Sep 17 00:00:00 2001 From: Christian Date: Tue, 25 Nov 2025 05:17:33 +0800 Subject: [PATCH 04/10] Update wireless.md All requested edits have been completed, and the document is now ready for review. Thank you for the helpful feedback I appreciate your time and guidance! --- content/wireless.md | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/content/wireless.md b/content/wireless.md index f2cecb7d37..90afdcaa0e 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -22,16 +22,16 @@ Start with the quick checks, then follow the targeted diagnostic and recovery st --- Try these steps before diving into advanced troubleshooting: -1. Reboot the router/modem and the computer. -2. Toggle Airplane Mode by pressing **Fn + F11 →.** -3. If your Wi-Fi issues started after an update, try removing the backported Wi-Fi driver using the command line. Open the Terminal by pressing Super+t and type the following and press Enter: +1.Reboot the router/modem and the computer. +2.Toggle Airplane Mode by pressing **Fn + F11 →.** +3.If your Wi-Fi issues started after an update, try removing the backported Wi-Fi driver using the command line. Open the Terminal by pressing Super+t and type the following and press Enter: ```bash sudo apt remove backport-iwlwifi-dkms ``` Then restart your computer. -4. Temporarily use a phone hotspot to confirm whether the network or your computer is the issue. -5. [Boot from a Live USB](https://support.system76.com/articles/live-disk) of your distribution to determine whether the issue exists outside your installed system. +4.Temporarily use a phone hotspot to confirm whether the network or your computer is the issue. +5.[Boot from a Live USB](https://support.system76.com/articles/live-disk) of your distribution to determine whether the issue exists outside your installed system. ## Router and Access Point Recommendations @@ -95,7 +95,6 @@ nmcli device status Check NetworkManager device states. - ```bash sudo systemctl restart NetworkManager ``` From 045890ab1c56a195233d1bde39710642cc81bd7c Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 18 Dec 2025 07:01:14 +0800 Subject: [PATCH 05/10] Update wireless.md MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The requested changes have been made. I’ve fixed the list formatting, standardized the use of Wi-Fi throughout the article, and updated the heading to Initial Troubleshooting. Apologies for the oversight, and thank you for the helpful review. --- content/wireless.md | 35 ++++++++++++++++++++++++++--------- 1 file changed, 26 insertions(+), 9 deletions(-) diff --git a/content/wireless.md b/content/wireless.md index 90afdcaa0e..f1e69817d2 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -4,7 +4,7 @@ description: > If your computer can’t connect to wireless networks or the connection is unstable, use this guide to diagnose and resolve the issue. keywords: - wireless - - wifi + - Wi-Fi - support - System76 @@ -21,16 +21,21 @@ Start with the quick checks, then follow the targeted diagnostic and recovery st --- -Try these steps before diving into advanced troubleshooting: +## Initial Troubleshooting: + 1.Reboot the router/modem and the computer. + 2.Toggle Airplane Mode by pressing **Fn + F11 →.** + 3.If your Wi-Fi issues started after an update, try removing the backported Wi-Fi driver using the command line. Open the Terminal by pressing Super+t and type the following and press Enter: ```bash sudo apt remove backport-iwlwifi-dkms ``` Then restart your computer. + 4.Temporarily use a phone hotspot to confirm whether the network or your computer is the issue. + 5.[Boot from a Live USB](https://support.system76.com/articles/live-disk) of your distribution to determine whether the issue exists outside your installed system. ## Router and Access Point Recommendations @@ -48,10 +53,15 @@ Use mixed mode (b/g/n/ax) if devices vary by generation. If a single device struggles, temporarily set your router to a common mode and test. Avoid complex access point features such as: + -Band steering + -Aggressive airtime fairness + -Deep MAC filtering + -Ensure your device’s MAC address isn’t being filtered. + Check with: ```bash @@ -160,8 +170,11 @@ nmcli device wifi connect ``` For unstable networks, set IPv6 to “Ignore” in the network settings: + 1.) Open Settings → Network. + 2.) Select your Wi-Fi connection. + 3.) Go to IPv6 tab → change method to Ignore. ## Bluetooth and Airplane Mode Interactions @@ -193,7 +206,7 @@ If the above steps aren't working, or you would like to fine tune and improve yo ### Regulatory Domain -In many cases, it's recommended to explicitly set the WiFi regulatory domain. Check yours with this command: +In many cases, it's recommended to explicitly set the Wi-Fi regulatory domain. Check yours with this command: ```bash sudo iw reg get @@ -248,7 +261,7 @@ If you have trouble with a Bluetooth headset and keeping a steady downlink speed ### Power Management -Another way to help with Wifi issues is to turn off power management for the hardware. To do so, edit the configuration file with this command: +Another way to help with Wi-Fi issues is to turn off power management for the hardware. To do so, edit the configuration file with this command: ```bash sudo gedit /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf @@ -259,7 +272,7 @@ And change the file to read (effective upon reboot): > \[connection\] > wifi.powersave = 2 -If `tlp` is installed, take a look at the settings file found here for additional Wifi power saving being enabled: +If `tlp` is installed, take a look at the settings file found here for additional Wi-Fi power saving being enabled: ```bash sudo gedit /etc/default/tlp @@ -285,7 +298,7 @@ sudo wavemon iwevent ``` -Run this command to watch what the Wifi hardware is doing. Pay attention to the disconnect reasons, and ignore the scans. +Run this command to watch what the Wi-Fi hardware is doing. Pay attention to the disconnect reasons, and ignore the scans. ```bash sudo systemctl restart NetworkManager @@ -327,15 +340,19 @@ This will reinstall network-manager, which can fix some network issues. ## Additional Info -Wifi Speeds and Frequencies: +Wi-Fi Speeds and Frequencies: - 54 Mb/s uses the 802.11g & 802.11b standards. + - 145 Mb/s and 300 Mb/s modes use the 802.11n standard and 20MHz or 40MHz bandwidths. + - 300Mbps / 40Mhz will provide the maximum performance in most cases. + - 145Mbps / 20MHz will work better in areas with more access points. + - 450Mbps uses a 60Mhz channel width and 600Mbps uses a 80Mhz channel width, and is typically less stable. -The name of the Linux driver for Intel Wifi cards is called iwlwifi and is included in the kernel by default. All information about the driver can be found here: +The name of the Linux driver for Intel Wi-Fi cards is called iwlwifi and is included in the kernel by default. All information about the driver can be found here: [wireless.wiki.kernel.org/en/users/drivers/iwlwifi](https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi) @@ -347,7 +364,7 @@ Sometimes the newest version of the firmware will clear up occasional bugs. Ple ### Windows Dual Boot -If you are dual booting Windows, you may lose access to your wifi card entirely after running driver/OS updates in Windows. You may be able to gain access to your wifi card again by disabling "Fast Startup" in the Windows power options before booting back into Pop!_OS. +If you are dual booting Windows, you may lose access to your Wi-Fi card entirely after running driver/OS updates in Windows. You may be able to gain access to your Wi-Fi card again by disabling "Fast Startup" in the Windows power options before booting back into Pop!_OS. ## Contact System76 Support From e17468aae2eba04e0798a902292b0be972e29321 Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 18 Dec 2025 07:35:44 +0800 Subject: [PATCH 06/10] Update wireless.md Fixed markdownlint issues by removing trailing punctuation from headings and trimming trailing whitespace to ensure consistent formatting and pass CI checks. --- content/wireless.md | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/content/wireless.md b/content/wireless.md index f1e69817d2..5cfec706f8 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -21,7 +21,7 @@ Start with the quick checks, then follow the targeted diagnostic and recovery st --- -## Initial Troubleshooting: +## Initial Troubleshooting 1.Reboot the router/modem and the computer. @@ -54,13 +54,13 @@ If a single device struggles, temporarily set your router to a common mode and t Avoid complex access point features such as: - -Band steering +Band steering - -Aggressive airtime fairness +Aggressive airtime fairness - -Deep MAC filtering + Deep MAC filtering - -Ensure your device’s MAC address isn’t being filtered. + Ensure your device’s MAC address isn’t being filtered. Check with: @@ -171,11 +171,11 @@ nmcli device wifi connect For unstable networks, set IPv6 to “Ignore” in the network settings: - 1.) Open Settings → Network. +1. Open Settings → Network. - 2.) Select your Wi-Fi connection. +2. Select your Wi-Fi connection. - 3.) Go to IPv6 tab → change method to Ignore. +3. Go to IPv6 tab → change method to Ignore. ## Bluetooth and Airplane Mode Interactions From 678f4e1f32d8215d46220158835e5208e55be52f Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 18 Dec 2025 08:34:57 +0800 Subject: [PATCH 07/10] docs: fix lint issues in wireless.md --- content/wireless.md | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/content/wireless.md b/content/wireless.md index 5cfec706f8..c47601f485 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -22,11 +22,12 @@ Start with the quick checks, then follow the targeted diagnostic and recovery st --- ## Initial Troubleshooting - 1.Reboot the router/modem and the computer. + 2.Toggle Airplane Mode by pressing **Fn + F11 →.** + 3.If your Wi-Fi issues started after an update, try removing the backported Wi-Fi driver using the command line. Open the Terminal by pressing Super+t and type the following and press Enter: ```bash @@ -34,8 +35,10 @@ Start with the quick checks, then follow the targeted diagnostic and recovery st ``` Then restart your computer. + 4.Temporarily use a phone hotspot to confirm whether the network or your computer is the issue. + 5.[Boot from a Live USB](https://support.system76.com/articles/live-disk) of your distribution to determine whether the issue exists outside your installed system. ## Router and Access Point Recommendations @@ -56,11 +59,15 @@ Avoid complex access point features such as: Band steering + Aggressive airtime fairness + Deep MAC filtering + Ensure your device’s MAC address isn’t being filtered. + Check with: @@ -171,10 +178,13 @@ nmcli device wifi connect For unstable networks, set IPv6 to “Ignore” in the network settings: + 1. Open Settings → Network. + 2. Select your Wi-Fi connection. + 3. Go to IPv6 tab → change method to Ignore. ## Bluetooth and Airplane Mode Interactions From 4c228ead4d0d1b3826f6ae27a6542ca08f687226 Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 18 Dec 2025 08:41:23 +0800 Subject: [PATCH 08/10] docs: fix lint issues in wireless.md --- content/wireless.md | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/content/wireless.md b/content/wireless.md index c47601f485..ce48225c15 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -22,12 +22,11 @@ Start with the quick checks, then follow the targeted diagnostic and recovery st --- ## Initial Troubleshooting -1.Reboot the router/modem and the computer. +1.Reboot the router/modem and the computer. 2.Toggle Airplane Mode by pressing **Fn + F11 →.** - 3.If your Wi-Fi issues started after an update, try removing the backported Wi-Fi driver using the command line. Open the Terminal by pressing Super+t and type the following and press Enter: ```bash @@ -35,10 +34,8 @@ Start with the quick checks, then follow the targeted diagnostic and recovery st ``` Then restart your computer. - 4.Temporarily use a phone hotspot to confirm whether the network or your computer is the issue. - 5.[Boot from a Live USB](https://support.system76.com/articles/live-disk) of your distribution to determine whether the issue exists outside your installed system. ## Router and Access Point Recommendations @@ -55,19 +52,15 @@ Use mixed mode (b/g/n/ax) if devices vary by generation. If a single device struggles, temporarily set your router to a common mode and test. -Avoid complex access point features such as: +Avoid complex access point features such as Band steering - Aggressive airtime fairness - - Deep MAC filtering - - - Ensure your device’s MAC address isn’t being filtered. +Deep MAC filtering +Ensure your device’s MAC address isn’t being filtered. Check with: @@ -176,14 +169,11 @@ nmcli connection delete nmcli device wifi connect ``` -For unstable networks, set IPv6 to “Ignore” in the network settings: - +For unstable networks, set IPv6 to “Ignore” in the network settings 1. Open Settings → Network. - 2. Select your Wi-Fi connection. - 3. Go to IPv6 tab → change method to Ignore. From 3b3b01be0fd79c8e57a8f15b12eb565400d44efd Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 18 Dec 2025 08:45:05 +0800 Subject: [PATCH 09/10] fix(CI/lint): remove trailing punctuation and whitespace --- content/wireless.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/content/wireless.md b/content/wireless.md index ce48225c15..c19c1e1c0d 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -62,7 +62,7 @@ Deep MAC filtering Ensure your device’s MAC address isn’t being filtered. - Check with: +Check with ```bash ip link show | grep ether From 598298bb5aefbc842936d074e5217e05eecd73d2 Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 18 Dec 2025 08:47:52 +0800 Subject: [PATCH 10/10] fix(CI/lint): remove trailing punctuation and whitespace --- content/wireless.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/content/wireless.md b/content/wireless.md index c19c1e1c0d..2665839a22 100644 --- a/content/wireless.md +++ b/content/wireless.md @@ -60,8 +60,8 @@ Aggressive airtime fairness Deep MAC filtering -Ensure your device’s MAC address isn’t being filtered. - +Ensure your device’s MAC address isn’t being filtered + Check with ```bash